2008 Lexus GS350 brake

5
When trouble arises
527
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
Tr u n kTurn the mechanical key clock-
wise to open.
Changing “ENGINE START STOP” switch modes and starting the
engine
Put the shift lever in “P” and apply the brakes. Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
STEP1
STEP2

528
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
To change the “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding , release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. (
P. 122)
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
If the “ENGINE START STOP” switch still cannot be operated, contact
your Lexus dealer.
■Stopping the engine
Shift the shift lever to “P” and press th e “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is the temporary measure, it is recommended that the
electronic key battery be replaced i mmediately when the battery depletes.
(  P. 440)
STEP3

536
5-2. Steps to take in an emergency
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May 13, 2008 5:14 pm
If the vehicle becomes stuck
CAUTION
■When attempting to free a stuck vehicle
If you choose to rock the vehicle back and forth to free it, make sure the surround-
ing area is clear, to avoid striking other vehicles, objects or persons. The vehicle
may also lunge forward or lunge back suddenly as it becomes free. Use extreme
caution.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may cause an
accident and result in death or serious injury.
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow.
Stop the engine. Set the parking brake and shift the shift lever
in “P”.
Remove the mud, snow, or sand from around the stuck tire.
Place wood, stones or some ot her material to help provide
traction under the tires.
Restart the engine.
Shift the shift lever to the “D” or “R” position and carefully apply
the accelerator to free the vehicle.
Turn off TRAC/VSC if these functi ons are hampering your attempts
to free the vehicle. ( P. 1 8 6 )
STEP1
STEP2
STEP3
STEP4
STEP5

549
6-1. Specifications
6
Vehicle specifications
GS_G_U
May 13, 2008 5:14 pm
Brakes
*1: Minimum pedal clearance when depressed with a force of 200 N (20.4 kgf, 45 lbf) while the engine is running.
*
2: Minimum pedal clearance when depressed with a force of 500 N (51.0 kgf, 112 lbf) while the engine is running.
*
3: Parking brake pedal travel when depressed with a force of 300 N (30.6 kgf, 67.4 lbf).
Steering
Pe d a l c l e a r a n c e GS460 *12.9 in. (74 mm) Min.
GS350 *22.6 in. (65 mm) Min.
Pedal free play GS460Less than 0.08 in. (2.0 mm)
GS3500.04 0.08 in. (1.0 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake pedal travel *37  9 clicks
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Free playLess than 1.2 in. (30 mm)

563
6-1. Specifications
6
Vehicle specifications
GS_G_U
May 13, 2008 5:14 pm
Tire related termMeaning
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of: 
(a) Curb weight 
(b) Accessory weight 
(c) Vehicle capacity weight 
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in
the third column of Table 1* below
Production options
weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, roof rack,
heavy duty battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter 
(Wheel diameter)Nominal diameter of the bead seat

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May 13, 2008 5:14 pm
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
A/CAir Conditioning
ABSAnti-Lock Brake System
AFSAdaptive Front-lighting System
ALRAutomatic Locking Retractor
CRSChild Restraint System
DISPDisplay
ECUElectronic Control Unit
EDREvent Data Recorder
ELREmergency Locking Retractor
EPSElectric Power Steering
GAWRGross Axle Weight Ratings
GPSGlobal Positioning System
I/MEmission inspection and maintenance
INFOInformation
INTIntermittent
LEDLight Emitting Diode
MMTMethylcy clopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
OBDOn Board Diagnostics

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May 13, 2008 5:14 pm
Alphabetical index
Alphabetical index
A/C ..............................................................217
ABS.............................................................. 184
ACCESSORY mode .......................... 122
Active stabilizer suspension 
system...................................................... 184
Adaptive variable 
suspension system ............................. 183
Air conditioning system Air conditioning filter ....................... 437
Automatic air conditioning 
system .................................................... 217
Airbags Airbag operating conditions........... 83
Airbag precautions for 
your child............................................... 87
Airbag warning light ........................489
Curtain shield airbag 
precautions .......................................... 90
General airbag precautions ........... 87
Locations of airbags............................80
Modification and disposal of 
airbags ...................................................... 91
Proper driving posture ...................... 78
Side airbag precautions .................... 87
Side and curtain shield airbags 
operating conditions ....................... 83
SRS airbags .............................................80
Alarm ............................................................ 75
Antenna ....................................................235
Anti-lock brake system ....................... 184
Armrest .....................................................356
Ashtrays ..................................................... 351 Audio system
Antenna.................................................. 235
AUX adapter .......................................287
Cassette player .................................. 238
CD player/changer .......................... 242
DVD information ...............................270
DVD player/changer ....................... 251
DVD video/audio............................. 254
MP3/WMA disc................................ 247
Optimal use ......................................... 282
Radio ........................................................229
Steering switches .............................. 288
Video CD ............................................. 266
Automatic headlight leveling 
system ......................................................144
Automatic light control system.........142
Automatic transmission If the shift lever cannot be 
shifted from “P” ............................... 524
Mode select switch ............................ 126
S mode ......................................................127
AUX adapter ......................................... 287
Back-up lights Wattage ................................................. 552
Battery 12 volt battery ........................................ 417
Checking................................................. 417
If the 12 volt battery is 
discharged ........................................ 529
Preparing and checking 
before winter...................................... 199
Bluetooth
®.............................................. 296
A
B

585
Alphabetical index
GS_G_U
May 13, 2008 5:14 pm
BrakeFluid ............................................................ 416
Parking brake ..........................................131
Brake assist ............................................... 184
Care Exterior ...................................................388
Interior....................................................... 391
Seat belts ............................................... 392
Cargo capacity ....................................... 194
Cargo hooks .......................................... 360
CD player/changer .............................242
Chains....................................................... 200
Child-protectors ..................................... 38
Child restraint system Definition................................................... 98
Installation................................................ 102
Installing CRS with lower 
anchors .................................................106
Installing CRS with seatbelts .........103
Installing CRS with top straps ....... 107
Child safety Airbag precautions ............................. 87
Battery precautions ................ 419, 532
Child restraint system ........................ 98
Child-protectors................................... 38
How your child should wear 
the seatbelt ........................................... 56
Installing child restraints ................... 102
Moon roof precautions ..................... 69
Power window lock switch ..............64
Power window precautions.............64
Removed electronic key battery 
precautions ......................................... 441
Seat belt comfort guide..................... 54
Seat belt precautions...........................57 Seat heater precautions................ 355
Trunk precautions................................. 44
Cigarette lighter....................................352
Cleaning Exterior................................................... 388
Interior ...................................................... 391
Seat belts ................................................392
Clock ......................................................... 349
Coin holder .............................................345
Compass ..................................................369
Condenser ............................................... 415
Console box ........................................... 342
Cooling system Engine overheating.......................... 533
Cruise control Cruise control....................................... 150
Dynamic radar cruise control....... 153
Cup holders ............................................345
Curtain shield airbags........................... 80
Customizable features .......................569
Daytime running light system ........... 143
Defogger Rear window ........................................ 225
Side mirror............................................. 225
Dimension................................................540
Dinghy towing ........................................205
Display Multi-information display ................ 139
Touch screen ...................................... 208
Trip information ................................... 140
Warning message ............................. 497
Do-it-yourself maintenance ............ 400
Door courtesy lights ............................ 337
Door pocket............................................ 346
C
D